| Back Creative (Sydney, Australia) |
| the Bailey Group (Plymouth Meeting, PA) |
| Baseman Design Associates (Jenkintown, PA) |
| BBDO (worldwide) |
| BBK Studio (Grand Rapids, MI) |
| Big Spaceship (New York, NY) |
| BKWLD (Sacramento, CA. Seattle, WA) |
| Black Graphics (San Francisco, CA) |
| Brainfood (Dallas, TX) |
| Brains on Fire (Greenville, SC) |
| Brand Engine (San Francisco, CA) |
| Bright Orange Thread (Lincoln University, PA) |
| Britton Creative (Manhattan Beach, CA) |
| Broom & Broom (San Francisco, CA) |
| BSSP | Gargantua (Sausalito, CA) |
| Burnkit (Vancouver, BC) |
| Burnlounge (New York, NY) |
| Butler, Shine, Stern & Partners (Sausalito, CA) |